package org.example.crm.config;

import org.example.crm.interceptor.NoLoginInterceptor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;

@Configuration//配置类
public class MvcConfig extends WebMvcConfigurerAdapter {
    @Bean//将方法的返回值交给IOC
    public NoLoginInterceptor noLoginInterceptor() {
        return new NoLoginInterceptor();
    }

    /**
     * 添加拦截器
     *
     * @param registry
     */
    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        //需要实现了拦截器功能的实例对象 NoLoginInterceptor
        registry.addInterceptor(noLoginInterceptor())
                //设置需要被拦截的资源
                .addPathPatterns("/**")
                // 设置不需要被拦截的资源
                .excludePathPatterns("/css/**", "/images/**", "/js/**", "/lib/**")
                .excludePathPatterns("/index", "/user/login");

    }
}
